Code Coverage
 
Lines
Functions and Methods
Classes and Traits
Total
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56.52% covered (warning)
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CRAP
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PptCharts
96.47% covered (success)
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56.52%
13 / 23
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 render
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 writeChart
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84.72%
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 writeSpreadsheet
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 writeElementWithValAttribute
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 writeSingleValueOrReference
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 writeMultipleValuesOrReference
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 writeTitle
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 writeLegend
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 writeTypeDoughnut
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 writeTypePie
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 writeChartRelationships
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1
1<?php
2/**
3 * This file is part of PHPPresentation - A pure PHP library for reading and writing
4 * presentations documents.
5 *
6 * PHPPresentation is free software distributed under the terms of the GNU Lesser
7 * General Public License version 3 as published by the Free Software Foundation.
8 *
9 * For the full copyright and license information, please read the LICENSE
10 * file that was distributed with this source code. For the full list of
11 * contributors, visit https://github.com/PHPOffice/PHPPresentation/contributors.
12 *
13 * @see        https://github.com/PHPOffice/PHPPresentation
14 *
15 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
16 */
17
18declare(strict_types=1);
19
20namespace PhpOffice\PhpPresentation\Writer\PowerPoint2007;
21
22use PhpOffice\Common\Adapter\Zip\ZipInterface;
23use PhpOffice\Common\Drawing as CommonDrawing;
24use PhpOffice\Common\XMLWriter;
25use PhpOffice\PhpPresentation\Exception\FileRemoveException;
26use PhpOffice\PhpPresentation\Exception\UndefinedChartTypeException;
27use PhpOffice\PhpPresentation\PhpPresentation;
28use PhpOffice\PhpPresentation\Shape\Chart;
29use PhpOffice\PhpPresentation\Shape\Chart\Gridlines;
30use PhpOffice\PhpPresentation\Shape\Chart\Legend;
31use PhpOffice\PhpPresentation\Shape\Chart\PlotArea;
32use PhpOffice\PhpPresentation\Shape\Chart\Title;
33use PhpOffice\PhpPresentation\Shape\Chart\Type\Area;
34use PhpOffice\PhpPresentation\Shape\Chart\Type\Bar;
35use PhpOffice\PhpPresentation\Shape\Chart\Type\Bar3D;
36use PhpOffice\PhpPresentation\Shape\Chart\Type\Doughnut;
37use PhpOffice\PhpPresentation\Shape\Chart\Type\Line;
38use PhpOffice\PhpPresentation\Shape\Chart\Type\Pie;
39use PhpOffice\PhpPresentation\Shape\Chart\Type\Pie3D;
40use PhpOffice\PhpPresentation\Shape\Chart\Type\Radar;
41use PhpOffice\PhpPresentation\Shape\Chart\Type\Scatter;
42use PhpOffice\PhpPresentation\Style\Border;
43use PhpOffice\PhpPresentation\Style\Fill;
44use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
45use PhpOffice\PhpSpreadsheet\IOFactory;
46use PhpOffice\PhpSpreadsheet\Spreadsheet;
47
48class PptCharts extends AbstractDecoratorWriter
49{
50    public function render(): ZipInterface
51    {
52        for ($i = 0; $i < $this->getDrawingHashTable()->count(); ++$i) {
53            $shape = $this->getDrawingHashTable()->getByIndex($i);
54            if ($shape instanceof Chart) {
55                $this->getZip()->addFromString('ppt/charts/' . $shape->getIndexedFilename(), $this->writeChart($shape));
56
57                if ($shape->hasIncludedSpreadsheet()) {
58                    $this->getZip()->addFromString('ppt/charts/_rels/' . $shape->getIndexedFilename() . '.rels', $this->writeChartRelationships($shape));
59                    $pFilename = tempnam(sys_get_temp_dir(), 'PhpSpreadsheet');
60                    $this->getZip()->addFromString('ppt/embeddings/' . $shape->getIndexedFilename() . '.xlsx', $this->writeSpreadsheet($this->getPresentation(), $shape, $pFilename . '.xlsx'));
61
62                    // remove temp file
63                    if (false === @unlink($pFilename)) {
64                        throw new FileRemoveException($pFilename);
65                    }
66                }
67            }
68        }
69
70        return $this->getZip();
71    }
72
73    /**
74     * Write chart to XML format.
75     *
76     * @return string XML Output
77     */
78    protected function writeChart(Chart $chart): string
79    {
80        // Create XML writer
81        $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
82
83        // XML header
84        $objWriter->startDocument('1.0', 'UTF-8', 'yes');
85
86        // c:chartSpace
87        $objWriter->startElement('c:chartSpace');
88        $objWriter->writeAttribute('xmlns:c', 'http://schemas.openxmlformats.org/drawingml/2006/chart');
89        $objWriter->writeAttribute('xmlns:a', 'http://schemas.openxmlformats.org/drawingml/2006/main');
90        $objWriter->writeAttribute('xmlns:r', 'http://schemas.openxmlformats.org/officeDocument/2006/relationships');
91
92        // c:date1904
93        $objWriter->startElement('c:date1904');
94        $objWriter->writeAttribute('val', '1');
95        $objWriter->endElement();
96
97        // c:lang
98        $objWriter->startElement('c:lang');
99        $objWriter->writeAttribute('val', 'en-US');
100        $objWriter->endElement();
101
102        // c:chart
103        $objWriter->startElement('c:chart');
104
105        // Title?
106        if ($chart->getTitle()->isVisible()) {
107            // Write title
108            $this->writeTitle($objWriter, $chart->getTitle());
109        }
110
111        // c:autoTitleDeleted
112        $objWriter->startElement('c:autoTitleDeleted');
113        $objWriter->writeAttribute('val', $chart->getTitle()->isVisible() ? '0' : '1');
114        $objWriter->endElement();
115
116        // c:view3D
117        $objWriter->startElement('c:view3D');
118
119        // c:rotX
120        $objWriter->startElement('c:rotX');
121        $objWriter->writeAttribute('val', $chart->getView3D()->getRotationX());
122        $objWriter->endElement();
123
124        // c:hPercent
125        $hPercent = $chart->getView3D()->getHeightPercent();
126        $objWriter->writeElementIf(null != $hPercent, 'c:hPercent', 'val', $hPercent);
127
128        // c:rotY
129        $objWriter->startElement('c:rotY');
130        $objWriter->writeAttribute('val', $chart->getView3D()->getRotationY());
131        $objWriter->endElement();
132
133        // c:depthPercent
134        $objWriter->startElement('c:depthPercent');
135        $objWriter->writeAttribute('val', $chart->getView3D()->getDepthPercent());
136        $objWriter->endElement();
137
138        // c:rAngAx
139        $objWriter->startElement('c:rAngAx');
140        $objWriter->writeAttribute('val', $chart->getView3D()->hasRightAngleAxes() ? '1' : '0');
141        $objWriter->endElement();
142
143        // c:perspective
144        $objWriter->startElement('c:perspective');
145        $objWriter->writeAttribute('val', $chart->getView3D()->getPerspective());
146        $objWriter->endElement();
147
148        $objWriter->endElement();
149
150        // Write plot area
151        $this->writePlotArea($objWriter, $chart->getPlotArea(), $chart);
152
153        // Legend?
154        if ($chart->getLegend()->isVisible()) {
155            // Write legend
156            $this->writeLegend($objWriter, $chart->getLegend());
157        }
158
159        // c:plotVisOnly
160        $objWriter->startElement('c:plotVisOnly');
161        $objWriter->writeAttribute('val', '1');
162        $objWriter->endElement();
163
164        // c:dispBlanksAs
165        $objWriter->startElement('c:dispBlanksAs');
166        $objWriter->writeAttribute('val', $chart->getDisplayBlankAs());
167        $objWriter->endElement();
168
169        $objWriter->endElement();
170
171        // c:spPr
172        $objWriter->startElement('c:spPr');
173
174        // Fill
175        $this->writeFill($objWriter, $chart->getFill());
176
177        // Border
178        if (Border::LINE_NONE != $chart->getBorder()->getLineStyle()) {
179            $this->writeBorder($objWriter, $chart->getBorder(), '');
180        }
181
182        // Shadow
183        if ($chart->getShadow()->isVisible()) {
184            // a:effectLst
185            $objWriter->startElement('a:effectLst');
186
187            // a:outerShdw
188            $objWriter->startElement('a:outerShdw');
189            $objWriter->writeAttribute('blurRad', CommonDrawing::pixelsToEmu($chart->getShadow()->getBlurRadius()));
190            $objWriter->writeAttribute('dist', CommonDrawing::pixelsToEmu($chart->getShadow()->getDistance()));
191            $objWriter->writeAttribute('dir', CommonDrawing::degreesToAngle((int) $chart->getShadow()->getDirection()));
192            $objWriter->writeAttribute('algn', $chart->getShadow()->getAlignment());
193            $objWriter->writeAttribute('rotWithShape', '0');
194
195            $this->writeColor($objWriter, $chart->getShadow()->getColor(), $chart->getShadow()->getAlpha());
196
197            $objWriter->endElement();
198
199            $objWriter->endElement();
200        }
201
202        $objWriter->endElement();
203
204        // External data?
205        if ($chart->hasIncludedSpreadsheet()) {
206            // c:externalData
207            $objWriter->startElement('c:externalData');
208            $objWriter->writeAttribute('r:id', 'rId1');
209
210            // c:autoUpdate
211            $objWriter->startElement('c:autoUpdate');
212            $objWriter->writeAttribute('val', '0');
213            $objWriter->endElement();
214
215            $objWriter->endElement();
216        }
217
218        $objWriter->endElement();
219
220        // Return
221        return $objWriter->getData();
222    }
223
224    /**
225     * Write chart to XML format.
226     *
227     * @return string String output
228     */
229    protected function writeSpreadsheet(PhpPresentation $presentation, Chart $chart, string $tempName): string
230    {
231        // Create new spreadsheet
232        $spreadsheet = new Spreadsheet();
233
234        // Set properties
235        $title = $chart->getTitle()->getText();
236        if (0 == strlen($title)) {
237            $title = 'Chart';
238        }
239        $spreadsheet->getProperties()
240            ->setCreator(
241                $presentation->getDocumentProperties()->getCreator()
242            )
243            ->setLastModifiedBy(
244                $presentation->getDocumentProperties()->getLastModifiedBy()
245            )
246            ->setTitle($title);
247
248        // Add chart data
249        $sheet = $spreadsheet->setActiveSheetIndex(0);
250        $sheet->setTitle('Sheet1');
251
252        // Write series
253        $seriesIndex = 0;
254        foreach ($chart->getPlotArea()->getType()->getSeries() as $series) {
255            // Title
256            $sheet->setCellValueByColumnAndRow(1 + $seriesIndex, 1, $series->getTitle());
257
258            // X-axis
259            $axisXData = array_keys($series->getValues());
260            $numAxisXData = count($axisXData);
261            for ($i = 0; $i < $numAxisXData; ++$i) {
262                $sheet->setCellValueByColumnAndRow(0, $i + 2, $axisXData[$i]);
263            }
264
265            // Y-axis
266            $axisYData = array_values($series->getValues());
267            $numAxisYData = count($axisYData);
268            for ($i = 0; $i < $numAxisYData; ++$i) {
269                $sheet->setCellValueByColumnAndRow(1 + $seriesIndex, $i + 2, $axisYData[$i]);
270            }
271
272            ++$seriesIndex;
273        }
274
275        // Save to string
276        $writer = IOFactory::createWriter($spreadsheet, 'Xlsx');
277        $writer->save($tempName);
278
279        // Load file in memory
280        $returnValue = file_get_contents($tempName);
281        if (false === @unlink($tempName)) {
282            throw new FileRemoveException($tempName);
283        }
284
285        return $returnValue;
286    }
287
288    /**
289     * Write element with value attribute.
290     *
291     * @param XMLWriter $objWriter XML Writer
292     */
293    protected function writeElementWithValAttribute(XMLWriter $objWriter, string $elementName, string $value): void
294    {
295        $objWriter->startElement($elementName);
296        $objWriter->writeAttribute('val', $value);
297        $objWriter->endElement();
298    }
299
300    /**
301     * Write single value or reference.
302     *
303     * @param XMLWriter $objWriter XML Writer
304     */
305    protected function writeSingleValueOrReference(XMLWriter $objWriter, bool $isReference, string $value, string $reference): void
306    {
307        if (!$isReference) {
308            // Value
309            $objWriter->writeElement('c:v', $value);
310
311            return;
312        }
313
314        // Reference and cache
315        // c:strRef
316        $objWriter->startElement('c:strRef');
317        // c:strRef/c:f
318        $objWriter->writeElement('c:f', $reference);
319        // c:strRef/c:strCache
320        $objWriter->startElement('c:strCache');
321        // c:strRef/c:strCache/c:ptCount
322        $objWriter->startElement('c:ptCount');
323        $objWriter->writeAttribute('val', '1');
324        $objWriter->endElement();
325
326        // c:strRef/c:strCache/c:pt
327        $objWriter->startElement('c:pt');
328        $objWriter->writeAttribute('idx', '0');
329        // c:strRef/c:strCache/c:pt/c:v
330        $objWriter->writeElement('c:v', $value);
331        // c:strRef/c:strCache/c:pt
332        $objWriter->endElement();
333        // c:strRef/c:strCache
334        $objWriter->endElement();
335        // c:strRef
336        $objWriter->endElement();
337    }
338
339    /**
340     * Write series value or reference.
341     *
342     * @param XMLWriter $objWriter XML Writer
343     * @param array<int, mixed> $values
344     */
345    protected function writeMultipleValuesOrReference(XMLWriter $objWriter, bool $isReference, array $values, string $reference): void
346    {
347        // c:strLit / c:numLit
348        // c:strRef / c:numRef
349        $referenceType = ($isReference ? 'Ref' : 'Lit');
350        $dataType = is_numeric($values[0]) ? 'num' : 'str';
351        $objWriter->startElement('c:' . $dataType . $referenceType);
352
353        $numValues = count($values);
354        if (!$isReference) {
355            // Value
356
357            // c:ptCount
358            $objWriter->startElement('c:ptCount');
359            $objWriter->writeAttribute('val', count($values));
360            $objWriter->endElement();
361
362            // Add points
363            for ($i = 0; $i < $numValues; ++$i) {
364                // c:pt
365                $objWriter->startElement('c:pt');
366                $objWriter->writeAttribute('idx', $i);
367                $objWriter->writeElement('c:v', (string) ($values[$i]));
368                $objWriter->endElement();
369            }
370        } else {
371            // Reference
372            $objWriter->writeElement('c:f', $reference);
373            $objWriter->startElement('c:' . $dataType . 'Cache');
374
375            // c:ptCount
376            $objWriter->startElement('c:ptCount');
377            $objWriter->writeAttribute('val', count($values));
378            $objWriter->endElement();
379
380            // Add points
381            for ($i = 0; $i < $numValues; ++$i) {
382                // c:pt
383                $objWriter->startElement('c:pt');
384                $objWriter->writeAttribute('idx', $i);
385                $objWriter->writeElement('c:v', (string) ($values[$i]));
386                $objWriter->endElement();
387            }
388
389            $objWriter->endElement();
390        }
391
392        $objWriter->endElement();
393    }
394
395    /**
396     * Write Title.
397     */
398    protected function writeTitle(XMLWriter $objWriter, Title $subject): void
399    {
400        // c:title
401        $objWriter->startElement('c:title');
402
403        // c:tx
404        $objWriter->startElement('c:tx');
405
406        // c:rich
407        $objWriter->startElement('c:rich');
408
409        // a:bodyPr
410        $objWriter->writeElement('a:bodyPr', null);
411
412        // a:lstStyle
413        $objWriter->writeElement('a:lstStyle', null);
414
415        // a:p
416        $objWriter->startElement('a:p');
417
418        // a:pPr
419        $objWriter->startElement('a:pPr');
420        $objWriter->writeAttribute('algn', $subject->getAlignment()->getHorizontal());
421        $objWriter->writeAttribute('fontAlgn', $subject->getAlignment()->getVertical());
422        $objWriter->writeAttribute('marL', CommonDrawing::pixelsToEmu($subject->getAlignment()->getMarginLeft()));
423        $objWriter->writeAttribute('marR', CommonDrawing::pixelsToEmu($subject->getAlignment()->getMarginRight()));
424        $objWriter->writeAttribute('indent', CommonDrawing::pixelsToEmu($subject->getAlignment()->getIndent()));
425        $objWriter->writeAttribute('lvl', $subject->getAlignment()->getLevel());
426
427        // a:defRPr
428        $objWriter->writeElement('a:defRPr', null);
429
430        $objWriter->endElement();
431
432        // a:r
433        $objWriter->startElement('a:r');
434
435        // a:rPr
436        $objWriter->startElement('a:rPr');
437        $objWriter->writeAttribute('lang', 'en-US');
438        $objWriter->writeAttribute('dirty', '0');
439        $objWriter->writeAttribute('b', ($subject->getFont()->isBold() ? 'true' : 'false'));
440        $objWriter->writeAttribute('i', ($subject->getFont()->isItalic() ? 'true' : 'false'));
441        $objWriter->writeAttribute('strike', ($subject->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
442        $objWriter->writeAttribute('sz', ($subject->getFont()->getSize() * 100));
443        $objWriter->writeAttribute('u', $subject->getFont()->getUnderline());
444        $objWriter->writeAttributeIf($subject->getFont()->isSuperScript(), 'baseline', '300000');
445        $objWriter->writeAttributeIf($subject->getFont()->isSubScript(), 'baseline', '-250000');
446
447        // Font - a:solidFill
448        $objWriter->startElement('a:solidFill');
449
450        $this->writeColor($objWriter, $subject->getFont()->getColor());
451
452        $objWriter->endElement();
453
454        // Font - a:latin
455        $objWriter->startElement('a:latin');
456        $objWriter->writeAttribute('typeface', $subject->getFont()->getName());
457        $objWriter->endElement();
458
459        $objWriter->endElement();
460
461        // a:t
462        $objWriter->writeElement('a:t', $subject->getText());
463
464        $objWriter->endElement();
465
466        // a:endParaRPr
467        $objWriter->startElement('a:endParaRPr');
468        $objWriter->writeAttribute('lang', 'en-US');
469        $objWriter->writeAttribute('dirty', '0');
470        $objWriter->endElement();
471
472        $objWriter->endElement();
473
474        $objWriter->endElement();
475
476        $objWriter->endElement();
477
478        // Write layout
479        $this->writeLayout($objWriter, $subject);
480
481        // c:overlay
482        $objWriter->startElement('c:overlay');
483        $objWriter->writeAttribute('val', '0');
484        $objWriter->endElement();
485
486        $objWriter->endElement();
487    }
488
489    /**
490     * Write Plot Area.
491     *
492     * @param XMLWriter $objWriter XML Writer
493     */
494    protected function writePlotArea(XMLWriter $objWriter, PlotArea $subject, Chart $chart): void
495    {
496        // c:plotArea
497        $objWriter->startElement('c:plotArea');
498
499        // Write layout
500        $this->writeLayout($objWriter, $subject);
501
502        // Write chart
503        $chartType = $subject->getType();
504        if ($chartType instanceof Area) {
505            $this->writeTypeArea($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
506        } elseif ($chartType instanceof Bar) {
507            $this->writeTypeBar($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
508        } elseif ($chartType instanceof Bar3D) {
509            $this->writeTypeBar3D($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
510        } elseif ($chartType instanceof Doughnut) {
511            $this->writeTypeDoughnut($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
512        } elseif ($chartType instanceof Pie) {
513            $this->writeTypePie($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
514        } elseif ($chartType instanceof Pie3D) {
515            $this->writeTypePie3D($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
516        } elseif ($chartType instanceof Line) {
517            $this->writeTypeLine($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
518        } elseif ($chartType instanceof Radar) {
519            $this->writeTypeRadar($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
520        } elseif ($chartType instanceof Scatter) {
521            $this->writeTypeScatter($objWriter, $chartType, $chart->hasIncludedSpreadsheet());
522        } else {
523            throw new UndefinedChartTypeException();
524        }
525
526        // Write X axis?
527        if ($chartType->hasAxisX()) {
528            $this->writeAxis($objWriter, $subject->getAxisX(), Chart\Axis::AXIS_X, $chartType);
529        }
530
531        // Write Y axis?
532        if ($chartType->hasAxisY()) {
533            $this->writeAxis($objWriter, $subject->getAxisY(), Chart\Axis::AXIS_Y, $chartType);
534        }
535
536        $objWriter->endElement();
537    }
538
539    /**
540     * Write Legend.
541     *
542     * @param XMLWriter $objWriter XML Writer
543     * @param Chart\Legend $subject
544     */
545    protected function writeLegend(XMLWriter $objWriter, Legend $subject): void
546    {
547        // c:legend
548        $objWriter->startElement('c:legend');
549
550        // c:legendPos
551        $objWriter->startElement('c:legendPos');
552        $objWriter->writeAttribute('val', $subject->getPosition());
553        $objWriter->endElement();
554
555        // Write layout
556        $this->writeLayout($objWriter, $subject);
557
558        // c:overlay
559        $objWriter->startElement('c:overlay');
560        $objWriter->writeAttribute('val', '0');
561        $objWriter->endElement();
562
563        // c:spPr
564        $objWriter->startElement('c:spPr');
565
566        // Fill
567        $this->writeFill($objWriter, $subject->getFill());
568
569        // Border
570        if (Border::LINE_NONE != $subject->getBorder()->getLineStyle()) {
571            $this->writeBorder($objWriter, $subject->getBorder(), '');
572        }
573
574        $objWriter->endElement();
575
576        // c:txPr
577        $objWriter->startElement('c:txPr');
578
579        // a:bodyPr
580        $objWriter->writeElement('a:bodyPr', null);
581
582        // a:lstStyle
583        $objWriter->writeElement('a:lstStyle', null);
584
585        // a:p
586        $objWriter->startElement('a:p');
587
588        // a:pPr
589        $objWriter->startElement('a:pPr');
590        $objWriter->writeAttribute('algn', $subject->getAlignment()->getHorizontal());
591        $objWriter->writeAttribute('fontAlgn', $subject->getAlignment()->getVertical());
592        $objWriter->writeAttribute('marL', CommonDrawing::pixelsToEmu($subject->getAlignment()->getMarginLeft()));
593        $objWriter->writeAttribute('marR', CommonDrawing::pixelsToEmu($subject->getAlignment()->getMarginRight()));
594        $objWriter->writeAttribute('indent', CommonDrawing::pixelsToEmu($subject->getAlignment()->getIndent()));
595        $objWriter->writeAttribute('lvl', $subject->getAlignment()->getLevel());
596
597        // a:defRPr
598        $objWriter->startElement('a:defRPr');
599
600        $objWriter->writeAttribute('b', ($subject->getFont()->isBold() ? 'true' : 'false'));
601        $objWriter->writeAttribute('i', ($subject->getFont()->isItalic() ? 'true' : 'false'));
602        $objWriter->writeAttribute('strike', ($subject->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
603        $objWriter->writeAttribute('sz', ($subject->getFont()->getSize() * 100));
604        $objWriter->writeAttribute('u', $subject->getFont()->getUnderline());
605        $objWriter->writeAttributeIf($subject->getFont()->isSuperScript(), 'baseline', '300000');
606        $objWriter->writeAttributeIf($subject->getFont()->isSubScript(), 'baseline', '-250000');
607
608        // Font - a:solidFill
609        $objWriter->startElement('a:solidFill');
610
611        $this->writeColor($objWriter, $subject->getFont()->getColor());
612
613        $objWriter->endElement();
614
615        // Font - a:latin
616        $objWriter->startElement('a:latin');
617        $objWriter->writeAttribute('typeface', $subject->getFont()->getName());
618        $objWriter->endElement();
619
620        $objWriter->endElement();
621
622        $objWriter->endElement();
623
624        // a:endParaRPr
625        $objWriter->startElement('a:endParaRPr');
626        $objWriter->writeAttribute('lang', 'en-US');
627        $objWriter->writeAttribute('dirty', '0');
628        $objWriter->endElement();
629
630        $objWriter->endElement();
631
632        $objWriter->endElement();
633
634        $objWriter->endElement();
635    }
636
637    /**
638     * Write Layout.
639     *
640     * @param XMLWriter $objWriter XML Writer
641     * @param Legend|PlotArea|Title $subject
642     */
643    protected function writeLayout(XMLWriter $objWriter, $subject): void
644    {
645        // c:layout
646        $objWriter->startElement('c:layout');
647
648        // c:manualLayout
649        $objWriter->startElement('c:manualLayout');
650        // c:xMode
651        $objWriter->startElement('c:xMode');
652        $objWriter->writeAttribute('val', 'edge');
653        $objWriter->endElement();
654
655        // c:yMode
656        $objWriter->startElement('c:yMode');
657        $objWriter->writeAttribute('val', 'edge');
658        $objWriter->endElement();
659
660        if (0 != $subject->getOffsetX()) {
661            // c:x
662            $objWriter->startElement('c:x');
663            $objWriter->writeAttribute('val', $subject->getOffsetX());
664            $objWriter->endElement();
665        }
666
667        if (0 != $subject->getOffsetY()) {
668            // c:y
669            $objWriter->startElement('c:y');
670            $objWriter->writeAttribute('val', $subject->getOffsetY());
671            $objWriter->endElement();
672        }
673
674        if (0 != $subject->getWidth()) {
675            // c:w
676            $objWriter->startElement('c:w');
677            $objWriter->writeAttribute('val', $subject->getWidth());
678            $objWriter->endElement();
679        }
680
681        if (0 != $subject->getHeight()) {
682            // c:h
683            $objWriter->startElement('c:h');
684            $objWriter->writeAttribute('val', $subject->getHeight());
685            $objWriter->endElement();
686        }
687
688        $objWriter->endElement();
689        $objWriter->endElement();
690    }
691
692    /**
693     * Write Type Area.
694     *
695     * @param XMLWriter $objWriter XML Writer
696     * @param Chart\Type\Area $subject
697     */
698    protected function writeTypeArea(XMLWriter $objWriter, Area $subject, bool $includeSheet = false): void
699    {
700        // c:lineChart
701        $objWriter->startElement('c:areaChart');
702
703        // c:grouping
704        $objWriter->startElement('c:grouping');
705        $objWriter->writeAttribute('val', 'standard');
706        $objWriter->endElement();
707
708        // Write series
709        $seriesIndex = 0;
710        foreach ($subject->getSeries() as $series) {
711            // c:ser
712            $objWriter->startElement('c:ser');
713
714            // c:ser > c:idx
715            $objWriter->startElement('c:idx');
716            $objWriter->writeAttribute('val', $seriesIndex);
717            $objWriter->endElement();
718
719            // c:ser > c:order
720            $objWriter->startElement('c:order');
721            $objWriter->writeAttribute('val', $seriesIndex);
722            $objWriter->endElement();
723
724            // c:ser > c:tx
725            $objWriter->startElement('c:tx');
726            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
727            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
728            $objWriter->endElement();
729
730            // c:ser > c:dLbls
731            // @link : https://msdn.microsoft.com/en-us/library/documentformat.openxml.drawing.charts.areachartseries.aspx
732            $objWriter->startElement('c:dLbls');
733
734            // c:ser > c:dLbls > c:showVal
735            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
736
737            // c:ser > c:dLbls > c:showCatName
738            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
739
740            // c:ser > c:dLbls > c:showSerName
741            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
742
743            // c:ser > c:dLbls > c:showPercent
744            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
745
746            // c:ser > ##c:dLbls
747            $objWriter->endElement();
748
749            if (Fill::FILL_NONE != $series->getFill()->getFillType()) {
750                // c:spPr
751                $objWriter->startElement('c:spPr');
752                // Write fill
753                $this->writeFill($objWriter, $series->getFill());
754                // ## c:spPr
755                $objWriter->endElement();
756            }
757
758            // Write X axis data
759            $axisXData = array_keys($series->getValues());
760
761            // c:cat
762            $objWriter->startElement('c:cat');
763            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
764            $objWriter->endElement();
765
766            // Write Y axis data
767            $axisYData = array_values($series->getValues());
768
769            // c:val
770            $objWriter->startElement('c:val');
771            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
772            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
773            $objWriter->endElement();
774
775            $objWriter->endElement();
776
777            ++$seriesIndex;
778        }
779
780        // c:axId
781        $objWriter->startElement('c:axId');
782        $objWriter->writeAttribute('val', '52743552');
783        $objWriter->endElement();
784
785        // c:axId
786        $objWriter->startElement('c:axId');
787        $objWriter->writeAttribute('val', '52749440');
788        $objWriter->endElement();
789
790        $objWriter->endElement();
791    }
792
793    /**
794     * Write Type Bar.
795     *
796     * @param XMLWriter $objWriter XML Writer
797     * @param Chart\Type\Bar $subject
798     */
799    protected function writeTypeBar(XMLWriter $objWriter, Bar $subject, bool $includeSheet = false): void
800    {
801        // c:barChart
802        $objWriter->startElement('c:barChart');
803
804        // c:barDir
805        $objWriter->startElement('c:barDir');
806        $objWriter->writeAttribute('val', $subject->getBarDirection());
807        $objWriter->endElement();
808
809        // c:grouping
810        $objWriter->startElement('c:grouping');
811        $objWriter->writeAttribute('val', $subject->getBarGrouping());
812        $objWriter->endElement();
813
814        // Write series
815        $seriesIndex = 0;
816        foreach ($subject->getSeries() as $series) {
817            // c:ser
818            $objWriter->startElement('c:ser');
819
820            // c:idx
821            $objWriter->startElement('c:idx');
822            $objWriter->writeAttribute('val', $seriesIndex);
823            $objWriter->endElement();
824
825            // c:order
826            $objWriter->startElement('c:order');
827            $objWriter->writeAttribute('val', $seriesIndex);
828            $objWriter->endElement();
829
830            // c:tx
831            $objWriter->startElement('c:tx');
832            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
833            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
834            $objWriter->endElement();
835
836            // Fills for points?
837            $dataPointFills = $series->getDataPointFills();
838            foreach ($dataPointFills as $key => $value) {
839                // c:dPt
840                $objWriter->startElement('c:dPt');
841
842                // c:idx
843                $this->writeElementWithValAttribute($objWriter, 'c:idx', (string) $key);
844
845                if (Fill::FILL_NONE != $value->getFillType()) {
846                    // c:spPr
847                    $objWriter->startElement('c:spPr');
848                    // Write fill
849                    $this->writeFill($objWriter, $value);
850                    // ## c:spPr
851                    $objWriter->endElement();
852                }
853
854                // ## c:dPt
855                $objWriter->endElement();
856            }
857
858            // c:dLbls
859            $objWriter->startElement('c:dLbls');
860
861            if ($series->hasDlblNumFormat()) {
862                //c:numFmt
863                $objWriter->startElement('c:numFmt');
864                $objWriter->writeAttribute('formatCode', $series->getDlblNumFormat());
865                $objWriter->writeAttribute('sourceLinked', '0');
866                $objWriter->endElement();
867            }
868
869            // c:txPr
870            $objWriter->startElement('c:txPr');
871
872            // a:bodyPr
873            $objWriter->writeElement('a:bodyPr');
874
875            // a:lstStyle
876            $objWriter->writeElement('a:lstStyle');
877
878            // a:p
879            $objWriter->startElement('a:p');
880
881            // a:pPr
882            $objWriter->startElement('a:pPr');
883
884            // a:defRPr
885            $objWriter->startElement('a:defRPr');
886
887            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
888            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
889            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
890            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
891            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
892            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '300000');
893            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-250000');
894
895            // a:solidFill
896            $objWriter->startElement('a:solidFill');
897            $this->writeColor($objWriter, $series->getFont()->getColor());
898            // >a:solidFill
899            $objWriter->endElement();
900            // a:latin
901            $objWriter->startElement('a:latin');
902            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
903            // >a:latin
904            $objWriter->endElement();
905
906            // >a:defRPr
907            $objWriter->endElement();
908            // >a:pPr
909            $objWriter->endElement();
910
911            // a:endParaRPr
912            $objWriter->startElement('a:endParaRPr');
913            $objWriter->writeAttribute('lang', 'en-US');
914            $objWriter->writeAttribute('dirty', '0');
915            $objWriter->endElement();
916
917            // >a:p
918            $objWriter->endElement();
919            // >a:lstStyle
920            $objWriter->endElement();
921
922            // c:dLblPos
923            $this->writeElementWithValAttribute($objWriter, 'c:dLblPos', $series->getLabelPosition());
924
925            // c:showVal
926            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
927
928            // c:showCatName
929            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
930
931            // c:showSerName
932            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
933
934            // c:showPercent
935            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
936
937            // c:separator
938            $objWriter->writeElement('c:separator', $series->hasShowSeparator() ? $series->getSeparator() : '');
939
940            // c:showLeaderLines
941            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
942
943            $objWriter->endElement();
944
945            // c:spPr
946            if (Fill::FILL_NONE != $series->getFill()->getFillType()) {
947                // c:spPr
948                $objWriter->startElement('c:spPr');
949                // Write fill
950                $this->writeFill($objWriter, $series->getFill());
951                // ## c:spPr
952                $objWriter->endElement();
953            }
954
955            // Write X axis data
956            $axisXData = array_keys($series->getValues());
957
958            // c:cat
959            $objWriter->startElement('c:cat');
960            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
961            $objWriter->endElement();
962
963            // Write Y axis data
964            $axisYData = array_values($series->getValues());
965
966            // c:val
967            $objWriter->startElement('c:val');
968            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
969            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
970            $objWriter->endElement();
971
972            $objWriter->endElement();
973
974            ++$seriesIndex;
975        }
976
977        // c:gapWidth
978        $objWriter->startElement('c:gapWidth');
979        $objWriter->writeAttribute('val', $subject->getGapWidthPercent());
980        $objWriter->endElement();
981
982        // c:overlap
983        $objWriter->startElement('c:overlap');
984        $objWriter->writeAttribute('val', $subject->getOverlapWidthPercent());
985        $objWriter->endElement();
986
987        // c:axId
988        $objWriter->startElement('c:axId');
989        $objWriter->writeAttribute('val', '52743552');
990        $objWriter->endElement();
991
992        // c:axId
993        $objWriter->startElement('c:axId');
994        $objWriter->writeAttribute('val', '52749440');
995        $objWriter->endElement();
996
997        // c:extLst
998        $objWriter->startElement('c:extLst');
999        $objWriter->endElement();
1000
1001        $objWriter->endElement();
1002    }
1003
1004    /**
1005     * Write Type Bar3D.
1006     *
1007     * @param XMLWriter $objWriter XML Writer
1008     * @param Chart\Type\Bar3D $subject
1009     */
1010    protected function writeTypeBar3D(XMLWriter $objWriter, Bar3D $subject, bool $includeSheet = false): void
1011    {
1012        // c:bar3DChart
1013        $objWriter->startElement('c:bar3DChart');
1014
1015        // c:barDir
1016        $objWriter->startElement('c:barDir');
1017        $objWriter->writeAttribute('val', $subject->getBarDirection());
1018        $objWriter->endElement();
1019
1020        // c:grouping
1021        $objWriter->startElement('c:grouping');
1022        $objWriter->writeAttribute('val', $subject->getBarGrouping());
1023        $objWriter->endElement();
1024
1025        // Write series
1026        $seriesIndex = 0;
1027        foreach ($subject->getSeries() as $series) {
1028            // c:ser
1029            $objWriter->startElement('c:ser');
1030
1031            // c:idx
1032            $objWriter->startElement('c:idx');
1033            $objWriter->writeAttribute('val', $seriesIndex);
1034            $objWriter->endElement();
1035
1036            // c:order
1037            $objWriter->startElement('c:order');
1038            $objWriter->writeAttribute('val', $seriesIndex);
1039            $objWriter->endElement();
1040
1041            // c:tx
1042            $objWriter->startElement('c:tx');
1043            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
1044            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
1045            $objWriter->endElement();
1046
1047            // Fills for points?
1048            $dataPointFills = $series->getDataPointFills();
1049            foreach ($dataPointFills as $key => $value) {
1050                // c:dPt
1051                $objWriter->startElement('c:dPt');
1052
1053                // c:idx
1054                $this->writeElementWithValAttribute($objWriter, 'c:idx', (string) $key);
1055
1056                if (Fill::FILL_NONE != $value->getFillType()) {
1057                    // c:spPr
1058                    $objWriter->startElement('c:spPr');
1059                    // Write fill
1060                    $this->writeFill($objWriter, $value);
1061                    // ## c:spPr
1062                    $objWriter->endElement();
1063                }
1064
1065                // ## c:dPt
1066                $objWriter->endElement();
1067            }
1068
1069            // c:dLbls
1070            $objWriter->startElement('c:dLbls');
1071
1072            // c:txPr
1073            $objWriter->startElement('c:txPr');
1074
1075            // a:bodyPr
1076            $objWriter->writeElement('a:bodyPr', null);
1077
1078            // a:lstStyle
1079            $objWriter->writeElement('a:lstStyle', null);
1080
1081            // a:p
1082            $objWriter->startElement('a:p');
1083
1084            // a:pPr
1085            $objWriter->startElement('a:pPr');
1086
1087            // a:defRPr
1088            $objWriter->startElement('a:defRPr');
1089
1090            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
1091            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
1092            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
1093            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
1094            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
1095            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '300000');
1096            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-250000');
1097
1098            // Font - a:solidFill
1099            $objWriter->startElement('a:solidFill');
1100
1101            $this->writeColor($objWriter, $series->getFont()->getColor());
1102
1103            $objWriter->endElement();
1104
1105            // Font - a:latin
1106            $objWriter->startElement('a:latin');
1107            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
1108            $objWriter->endElement();
1109
1110            $objWriter->endElement();
1111
1112            $objWriter->endElement();
1113
1114            // a:endParaRPr
1115            $objWriter->startElement('a:endParaRPr');
1116            $objWriter->writeAttribute('lang', 'en-US');
1117            $objWriter->writeAttribute('dirty', '0');
1118            $objWriter->endElement();
1119
1120            $objWriter->endElement();
1121
1122            $objWriter->endElement();
1123
1124            // c:showVal
1125            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
1126
1127            // c:showCatName
1128            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
1129
1130            // c:showSerName
1131            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
1132
1133            // c:showPercent
1134            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
1135
1136            // c:showLeaderLines
1137            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
1138
1139            $objWriter->endElement();
1140
1141            // c:spPr
1142            if (Fill::FILL_NONE != $series->getFill()->getFillType()) {
1143                // c:spPr
1144                $objWriter->startElement('c:spPr');
1145                // Write fill
1146                $this->writeFill($objWriter, $series->getFill());
1147                // ## c:spPr
1148                $objWriter->endElement();
1149            }
1150
1151            // Write X axis data
1152            $axisXData = array_keys($series->getValues());
1153
1154            // c:cat
1155            $objWriter->startElement('c:cat');
1156            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
1157            $objWriter->endElement();
1158
1159            // Write Y axis data
1160            $axisYData = array_values($series->getValues());
1161
1162            // c:val
1163            $objWriter->startElement('c:val');
1164            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
1165            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
1166            $objWriter->endElement();
1167
1168            $objWriter->endElement();
1169
1170            ++$seriesIndex;
1171        }
1172
1173        // c:gapWidth
1174        $objWriter->startElement('c:gapWidth');
1175        $objWriter->writeAttribute('val', $subject->getGapWidthPercent());
1176        $objWriter->endElement();
1177
1178        // c:axId
1179        $objWriter->startElement('c:axId');
1180        $objWriter->writeAttribute('val', '52743552');
1181        $objWriter->endElement();
1182
1183        // c:axId
1184        $objWriter->startElement('c:axId');
1185        $objWriter->writeAttribute('val', '52749440');
1186        $objWriter->endElement();
1187
1188        // c:axId
1189        $objWriter->startElement('c:axId');
1190        $objWriter->writeAttribute('val', '0');
1191        $objWriter->endElement();
1192
1193        $objWriter->endElement();
1194    }
1195
1196    /**
1197     * Write Type Pie.
1198     *
1199     * @param XMLWriter $objWriter XML Writer
1200     */
1201    protected function writeTypeDoughnut(XMLWriter $objWriter, Doughnut $subject, bool $includeSheet = false): void
1202    {
1203        // c:pieChart
1204        $objWriter->startElement('c:doughnutChart');
1205
1206        // c:varyColors
1207        $objWriter->startElement('c:varyColors');
1208        $objWriter->writeAttribute('val', '1');
1209        $objWriter->endElement();
1210
1211        // Write series
1212        $seriesIndex = 0;
1213        foreach ($subject->getSeries() as $series) {
1214            // c:ser
1215            $objWriter->startElement('c:ser');
1216
1217            // c:idx
1218            $objWriter->startElement('c:idx');
1219            $objWriter->writeAttribute('val', $seriesIndex);
1220            $objWriter->endElement();
1221
1222            // c:order
1223            $objWriter->startElement('c:order');
1224            $objWriter->writeAttribute('val', $seriesIndex);
1225            $objWriter->endElement();
1226
1227            // c:tx
1228            $objWriter->startElement('c:tx');
1229            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
1230            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
1231            $objWriter->endElement();
1232
1233            // Fills for points?
1234            $dataPointFills = $series->getDataPointFills();
1235            foreach ($dataPointFills as $key => $value) {
1236                // c:dPt
1237                $objWriter->startElement('c:dPt');
1238                $this->writeElementWithValAttribute($objWriter, 'c:idx', (string) $key);
1239                // c:dPt/c:spPr
1240                $objWriter->startElement('c:spPr');
1241                $this->writeFill($objWriter, $value);
1242                // c:dPt/##c:spPr
1243                $objWriter->endElement();
1244                // ##c:dPt
1245                $objWriter->endElement();
1246            }
1247
1248            // Write X axis data
1249            $axisXData = array_keys($series->getValues());
1250
1251            // c:cat
1252            $objWriter->startElement('c:cat');
1253            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
1254            $objWriter->endElement();
1255
1256            // Write Y axis data
1257            $axisYData = array_values($series->getValues());
1258
1259            // c:val
1260            $objWriter->startElement('c:val');
1261            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
1262            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
1263            $objWriter->endElement();
1264
1265            $objWriter->endElement();
1266
1267            ++$seriesIndex;
1268        }
1269
1270        if (isset($series) && is_object($series) && $series instanceof Chart\Series) {
1271            // c:dLbls
1272            $objWriter->startElement('c:dLbls');
1273
1274            $this->writeElementWithValAttribute($objWriter, 'c:showLegendKey', $series->hasShowLegendKey() ? '1' : '0');
1275            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
1276            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
1277            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
1278            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
1279            $this->writeElementWithValAttribute($objWriter, 'c:showBubbleSize', '0');
1280            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
1281
1282            if ($series->hasDlblNumFormat()) {
1283                //c:numFmt
1284                $objWriter->startElement('c:numFmt');
1285                $objWriter->writeAttribute('formatCode', $series->getDlblNumFormat());
1286                $objWriter->writeAttribute('sourceLinked', '0');
1287                $objWriter->endElement();
1288            }
1289
1290            // c:dLbls\c:txPr
1291            $objWriter->startElement('c:txPr');
1292            $objWriter->writeElement('a:bodyPr', null);
1293            $objWriter->writeElement('a:lstStyle', null);
1294
1295            // c:dLbls\c:txPr\a:p
1296            $objWriter->startElement('a:p');
1297
1298            // c:dLbls\c:txPr\a:p\a:pPr
1299            $objWriter->startElement('a:pPr');
1300
1301            // c:dLbls\c:txPr\a:p\a:pPr\a:defRPr
1302            $objWriter->startElement('a:defRPr');
1303            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
1304            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
1305            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
1306            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
1307            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
1308            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '300000');
1309            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-250000');
1310
1311            // c:dLbls\c:txPr\a:p\a:pPr\a:defRPr\a:solidFill
1312            $objWriter->startElement('a:solidFill');
1313            $this->writeColor($objWriter, $series->getFont()->getColor());
1314            $objWriter->endElement();
1315
1316            // c:dLbls\c:txPr\a:p\a:pPr\a:defRPr\a:latin
1317            $objWriter->startElement('a:latin');
1318            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
1319            $objWriter->endElement();
1320
1321            // c:dLbls\c:txPr\a:p\a:pPr\a:defRPr\
1322            $objWriter->endElement();
1323            // c:dLbls\c:txPr\a:p\a:pPr\
1324            $objWriter->endElement();
1325
1326            // c:dLbls\c:txPr\a:p\a:endParaRPr
1327            $objWriter->startElement('a:endParaRPr');
1328            $objWriter->writeAttribute('lang', 'en-US');
1329            $objWriter->writeAttribute('dirty', '0');
1330            $objWriter->endElement();
1331
1332            // c:dLbls\c:txPr\a:p\
1333            $objWriter->endElement();
1334            // c:dLbls\c:txPr\
1335            $objWriter->endElement();
1336
1337            $separator = $series->getSeparator();
1338            if (!empty($separator) && PHP_EOL != $separator) {
1339                // c:dLbls\c:separator
1340                $objWriter->writeElement('c:separator', $separator);
1341            }
1342
1343            // c:dLbls\
1344            $objWriter->endElement();
1345        }
1346
1347        $this->writeElementWithValAttribute($objWriter, 'c:firstSliceAng', '0');
1348        $this->writeElementWithValAttribute($objWriter, 'c:holeSize', (string) $subject->getHoleSize());
1349
1350        $objWriter->endElement();
1351    }
1352
1353    /**
1354     * Write Type Pie.
1355     *
1356     * @param XMLWriter $objWriter XML Writer
1357     */
1358    protected function writeTypePie(XMLWriter $objWriter, Pie $subject, bool $includeSheet = false): void
1359    {
1360        // c:pieChart
1361        $objWriter->startElement('c:pieChart');
1362
1363        // c:varyColors
1364        $objWriter->startElement('c:varyColors');
1365        $objWriter->writeAttribute('val', '1');
1366        $objWriter->endElement();
1367
1368        // Write series
1369        $seriesIndex = 0;
1370        foreach ($subject->getSeries() as $series) {
1371            // c:ser
1372            $objWriter->startElement('c:ser');
1373
1374            // c:idx
1375            $objWriter->startElement('c:idx');
1376            $objWriter->writeAttribute('val', $seriesIndex);
1377            $objWriter->endElement();
1378
1379            // c:order
1380            $objWriter->startElement('c:order');
1381            $objWriter->writeAttribute('val', $seriesIndex);
1382            $objWriter->endElement();
1383
1384            // c:tx
1385            $objWriter->startElement('c:tx');
1386            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
1387            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
1388            $objWriter->endElement();
1389
1390            // Fills for points?
1391            $dataPointFills = $series->getDataPointFills();
1392            foreach ($dataPointFills as $key => $value) {
1393                // c:dPt
1394                $objWriter->startElement('c:dPt');
1395                $this->writeElementWithValAttribute($objWriter, 'c:idx', (string) $key);
1396                // c:dPt/c:spPr
1397                $objWriter->startElement('c:spPr');
1398                $this->writeFill($objWriter, $value);
1399                // c:dPt/##c:spPr
1400                $objWriter->endElement();
1401                // ##c:dPt
1402                $objWriter->endElement();
1403            }
1404
1405            // c:dLbls
1406            $objWriter->startElement('c:dLbls');
1407
1408            if ($series->hasDlblNumFormat()) {
1409                //c:numFmt
1410                $objWriter->startElement('c:numFmt');
1411                $objWriter->writeAttribute('formatCode', $series->getDlblNumFormat());
1412                $objWriter->writeAttribute('sourceLinked', '0');
1413                $objWriter->endElement();
1414            }
1415
1416            // c:txPr
1417            $objWriter->startElement('c:txPr');
1418
1419            // a:bodyPr
1420            $objWriter->writeElement('a:bodyPr', null);
1421
1422            // a:lstStyle
1423            $objWriter->writeElement('a:lstStyle', null);
1424
1425            // a:p
1426            $objWriter->startElement('a:p');
1427
1428            // a:pPr
1429            $objWriter->startElement('a:pPr');
1430
1431            // a:defRPr
1432            $objWriter->startElement('a:defRPr');
1433
1434            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
1435            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
1436            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
1437            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
1438            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
1439            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '300000');
1440            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-250000');
1441
1442            // Font - a:solidFill
1443            $objWriter->startElement('a:solidFill');
1444
1445            $this->writeColor($objWriter, $series->getFont()->getColor());
1446
1447            $objWriter->endElement();
1448
1449            // Font - a:latin
1450            $objWriter->startElement('a:latin');
1451            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
1452            $objWriter->endElement();
1453
1454            $objWriter->endElement();
1455
1456            $objWriter->endElement();
1457
1458            // a:endParaRPr
1459            $objWriter->startElement('a:endParaRPr');
1460            $objWriter->writeAttribute('lang', 'en-US');
1461            $objWriter->writeAttribute('dirty', '0');
1462            $objWriter->endElement();
1463
1464            $objWriter->endElement();
1465
1466            $objWriter->endElement();
1467
1468            // c:dLblPos
1469            $this->writeElementWithValAttribute($objWriter, 'c:dLblPos', $series->getLabelPosition());
1470
1471            // c:showLegendKey
1472            $this->writeElementWithValAttribute($objWriter, 'c:showLegendKey', $series->hasShowLegendKey() ? '1' : '0');
1473
1474            // c:showVal
1475            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
1476
1477            // c:showCatName
1478            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
1479
1480            // c:showSerName
1481            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
1482
1483            // c:showPercent
1484            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
1485
1486            // c:showLeaderLines
1487            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
1488
1489            $objWriter->endElement();
1490
1491            // Write X axis data
1492            $axisXData = array_keys($series->getValues());
1493
1494            // c:cat
1495            $objWriter->startElement('c:cat');
1496            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
1497            $objWriter->endElement();
1498
1499            // Write Y axis data
1500            $axisYData = array_values($series->getValues());
1501
1502            // c:val
1503            $objWriter->startElement('c:val');
1504            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
1505            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
1506            $objWriter->endElement();
1507
1508            $objWriter->endElement();
1509
1510            ++$seriesIndex;
1511        }
1512
1513        $objWriter->endElement();
1514    }
1515
1516    /**
1517     * Write Type Pie3D.
1518     *
1519     * @param XMLWriter $objWriter XML Writer
1520     */
1521    protected function writeTypePie3D(XMLWriter $objWriter, Pie3D $subject, bool $includeSheet = false): void
1522    {
1523        // c:pie3DChart
1524        $objWriter->startElement('c:pie3DChart');
1525
1526        // c:varyColors
1527        $objWriter->startElement('c:varyColors');
1528        $objWriter->writeAttribute('val', '1');
1529        $objWriter->endElement();
1530
1531        // Write series
1532        $seriesIndex = 0;
1533        foreach ($subject->getSeries() as $series) {
1534            // c:ser
1535            $objWriter->startElement('c:ser');
1536
1537            // c:idx
1538            $objWriter->startElement('c:idx');
1539            $objWriter->writeAttribute('val', $seriesIndex);
1540            $objWriter->endElement();
1541
1542            // c:order
1543            $objWriter->startElement('c:order');
1544            $objWriter->writeAttribute('val', $seriesIndex);
1545            $objWriter->endElement();
1546
1547            // c:tx
1548            $objWriter->startElement('c:tx');
1549            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
1550            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
1551            $objWriter->endElement();
1552
1553            // c:explosion
1554            $objWriter->startElement('c:explosion');
1555            $objWriter->writeAttribute('val', $subject->getExplosion());
1556            $objWriter->endElement();
1557
1558            // Fills for points?
1559            $dataPointFills = $series->getDataPointFills();
1560            foreach ($dataPointFills as $key => $value) {
1561                // c:dPt
1562                $objWriter->startElement('c:dPt');
1563                $this->writeElementWithValAttribute($objWriter, 'c:idx', (string) $key);
1564                // c:dPt/c:spPr
1565                $objWriter->startElement('c:spPr');
1566                $this->writeFill($objWriter, $value);
1567                // c:dPt/##c:spPr
1568                $objWriter->endElement();
1569                // ##c:dPt
1570                $objWriter->endElement();
1571            }
1572
1573            // c:dLbls
1574            $objWriter->startElement('c:dLbls');
1575
1576            // c:txPr
1577            $objWriter->startElement('c:txPr');
1578
1579            // a:bodyPr
1580            $objWriter->writeElement('a:bodyPr', null);
1581
1582            // a:lstStyle
1583            $objWriter->writeElement('a:lstStyle', null);
1584
1585            // a:p
1586            $objWriter->startElement('a:p');
1587
1588            // a:pPr
1589            $objWriter->startElement('a:pPr');
1590
1591            // a:defRPr
1592            $objWriter->startElement('a:defRPr');
1593
1594            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
1595            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
1596            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
1597            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
1598            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
1599            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '300000');
1600            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-250000');
1601
1602            // Font - a:solidFill
1603            $objWriter->startElement('a:solidFill');
1604
1605            $this->writeColor($objWriter, $series->getFont()->getColor());
1606
1607            $objWriter->endElement();
1608
1609            // Font - a:latin
1610            $objWriter->startElement('a:latin');
1611            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
1612            $objWriter->endElement();
1613
1614            $objWriter->endElement();
1615
1616            $objWriter->endElement();
1617
1618            // a:endParaRPr
1619            $objWriter->startElement('a:endParaRPr');
1620            $objWriter->writeAttribute('lang', 'en-US');
1621            $objWriter->writeAttribute('dirty', '0');
1622            $objWriter->endElement();
1623
1624            $objWriter->endElement();
1625
1626            $objWriter->endElement();
1627
1628            // c:dLblPos
1629            $this->writeElementWithValAttribute($objWriter, 'c:dLblPos', $series->getLabelPosition());
1630
1631            // c:showVal
1632            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
1633
1634            // c:showCatName
1635            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
1636
1637            // c:showSerName
1638            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
1639
1640            // c:showPercent
1641            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
1642
1643            // c:showLeaderLines
1644            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
1645
1646            $objWriter->endElement();
1647
1648            // Write X axis data
1649            $axisXData = array_keys($series->getValues());
1650
1651            // c:cat
1652            $objWriter->startElement('c:cat');
1653            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
1654            $objWriter->endElement();
1655
1656            // Write Y axis data
1657            $axisYData = array_values($series->getValues());
1658
1659            // c:val
1660            $objWriter->startElement('c:val');
1661            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
1662            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
1663            $objWriter->endElement();
1664
1665            $objWriter->endElement();
1666
1667            ++$seriesIndex;
1668        }
1669
1670        $objWriter->endElement();
1671    }
1672
1673    /**
1674     * Write Type Line.
1675     *
1676     * @param XMLWriter $objWriter XML Writer
1677     */
1678    protected function writeTypeLine(XMLWriter $objWriter, Line $subject, bool $includeSheet = false): void
1679    {
1680        // c:lineChart
1681        $objWriter->startElement('c:lineChart');
1682
1683        // c:grouping
1684        $objWriter->startElement('c:grouping');
1685        $objWriter->writeAttribute('val', 'standard');
1686        $objWriter->endElement();
1687
1688        // Write series
1689        $seriesIndex = 0;
1690        foreach ($subject->getSeries() as $series) {
1691            // c:ser
1692            $objWriter->startElement('c:ser');
1693
1694            // c:idx
1695            $objWriter->startElement('c:idx');
1696            $objWriter->writeAttribute('val', $seriesIndex);
1697            $objWriter->endElement();
1698
1699            // c:order
1700            $objWriter->startElement('c:order');
1701            $objWriter->writeAttribute('val', $seriesIndex);
1702            $objWriter->endElement();
1703
1704            // c:tx
1705            $objWriter->startElement('c:tx');
1706            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
1707            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
1708            $objWriter->endElement();
1709
1710            // c:spPr
1711            $objWriter->startElement('c:spPr');
1712            // Write fill
1713            $this->writeFill($objWriter, $series->getFill());
1714            // Write outline
1715            $this->writeOutline($objWriter, $series->getOutline());
1716            // ## c:spPr
1717            $objWriter->endElement();
1718
1719            // Marker
1720            $this->writeSeriesMarker($objWriter, $series->getMarker());
1721
1722            // c:dLbls
1723            $objWriter->startElement('c:dLbls');
1724
1725            // c:txPr
1726            $objWriter->startElement('c:txPr');
1727
1728            // a:bodyPr
1729            $objWriter->writeElement('a:bodyPr', null);
1730
1731            // a:lstStyle
1732            $objWriter->writeElement('a:lstStyle', null);
1733
1734            // a:p
1735            $objWriter->startElement('a:p');
1736
1737            // a:pPr
1738            $objWriter->startElement('a:pPr');
1739
1740            // a:defRPr
1741            $objWriter->startElement('a:defRPr');
1742
1743            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
1744            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
1745            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
1746            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
1747            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
1748            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '300000');
1749            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-250000');
1750
1751            // Font - a:solidFill
1752            $objWriter->startElement('a:solidFill');
1753
1754            $this->writeColor($objWriter, $series->getFont()->getColor());
1755
1756            $objWriter->endElement();
1757
1758            // Font - a:latin
1759            $objWriter->startElement('a:latin');
1760            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
1761            $objWriter->endElement();
1762
1763            $objWriter->endElement();
1764
1765            $objWriter->endElement();
1766
1767            // a:endParaRPr
1768            $objWriter->startElement('a:endParaRPr');
1769            $objWriter->writeAttribute('lang', 'en-US');
1770            $objWriter->writeAttribute('dirty', '0');
1771            $objWriter->endElement();
1772
1773            $objWriter->endElement();
1774
1775            $objWriter->endElement();
1776
1777            // c:showVal
1778            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
1779
1780            // c:showCatName
1781            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
1782
1783            // c:showSerName
1784            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
1785
1786            // c:showPercent
1787            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
1788
1789            // c:showLeaderLines
1790            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
1791
1792            // > c:dLbls
1793            $objWriter->endElement();
1794
1795            // Write X axis data
1796            $axisXData = array_keys($series->getValues());
1797
1798            // c:cat
1799            $objWriter->startElement('c:cat');
1800            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
1801            $objWriter->endElement();
1802
1803            // Write Y axis data
1804            $axisYData = array_values($series->getValues());
1805
1806            // c:val
1807            $objWriter->startElement('c:val');
1808            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
1809            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
1810            $objWriter->endElement();
1811
1812            // c:smooth
1813            $objWriter->startElement('c:smooth');
1814            $objWriter->writeAttribute('val', $subject->isSmooth() ? '1' : '0');
1815            $objWriter->endElement();
1816
1817            $objWriter->endElement();
1818
1819            ++$seriesIndex;
1820        }
1821
1822        // c:marker
1823        $objWriter->startElement('c:marker');
1824        $objWriter->writeAttribute('val', '1');
1825        $objWriter->endElement();
1826
1827        // c:axId
1828        $objWriter->startElement('c:axId');
1829        $objWriter->writeAttribute('val', '52743552');
1830        $objWriter->endElement();
1831
1832        // c:axId
1833        $objWriter->startElement('c:axId');
1834        $objWriter->writeAttribute('val', '52749440');
1835        $objWriter->endElement();
1836
1837        $objWriter->endElement();
1838    }
1839
1840    /**
1841     * Write Type Radar.
1842     *
1843     * @param XMLWriter $objWriter XML Writer
1844     */
1845    protected function writeTypeRadar(XMLWriter $objWriter, Radar $subject, bool $includeSheet = false): void
1846    {
1847        // c:scatterChart
1848        $objWriter->startElement('c:radarChart');
1849
1850        // c:radarStyle
1851        $objWriter->startElement('c:radarStyle');
1852        $objWriter->writeAttribute('val', 'marker');
1853        $objWriter->endElement();
1854
1855        // c:varyColors
1856        $objWriter->startElement('c:varyColors');
1857        $objWriter->writeAttribute('val', '0');
1858        $objWriter->endElement();
1859
1860        // Write series
1861        $seriesIndex = 0;
1862        foreach ($subject->getSeries() as $series) {
1863            // c:ser
1864            $objWriter->startElement('c:ser');
1865
1866            // c:idx
1867            $objWriter->startElement('c:idx');
1868            $objWriter->writeAttribute('val', $seriesIndex);
1869            $objWriter->endElement();
1870
1871            // c:order
1872            $objWriter->startElement('c:order');
1873            $objWriter->writeAttribute('val', $seriesIndex);
1874            $objWriter->endElement();
1875
1876            // c:tx
1877            $objWriter->startElement('c:tx');
1878            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
1879            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
1880            $objWriter->endElement();
1881
1882            // Marker
1883            $this->writeSeriesMarker($objWriter, $series->getMarker());
1884
1885            // c:dLbls
1886            $objWriter->startElement('c:dLbls');
1887
1888            // c:txPr
1889            $objWriter->startElement('c:txPr');
1890
1891            // a:bodyPr
1892            $objWriter->writeElement('a:bodyPr', null);
1893
1894            // a:lstStyle
1895            $objWriter->writeElement('a:lstStyle', null);
1896
1897            // a:p
1898            $objWriter->startElement('a:p');
1899
1900            // a:pPr
1901            $objWriter->startElement('a:pPr');
1902
1903            // a:defRPr
1904            $objWriter->startElement('a:defRPr');
1905
1906            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
1907            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
1908            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
1909            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
1910            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
1911            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '30000');
1912            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-25000');
1913
1914            // Font - a:solidFill
1915            $objWriter->startElement('a:solidFill');
1916
1917            $this->writeColor($objWriter, $series->getFont()->getColor());
1918
1919            $objWriter->endElement();
1920
1921            // Font - a:latin
1922            $objWriter->startElement('a:latin');
1923            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
1924            $objWriter->endElement();
1925
1926            $objWriter->endElement();
1927
1928            $objWriter->endElement();
1929
1930            // a:endParaRPr
1931            $objWriter->startElement('a:endParaRPr');
1932            $objWriter->writeAttribute('lang', 'en-US');
1933            $objWriter->writeAttribute('dirty', '0');
1934            $objWriter->endElement();
1935
1936            $objWriter->endElement();
1937
1938            $objWriter->endElement();
1939
1940            // c:showLegendKey
1941            $this->writeElementWithValAttribute($objWriter, 'c:showLegendKey', $series->hasShowLegendKey() ? '1' : '0');
1942
1943            // c:showVal
1944            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
1945
1946            // c:showCatName
1947            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
1948
1949            // c:showSerName
1950            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
1951
1952            // c:showPercent
1953            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
1954
1955            // c:showLeaderLines
1956            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
1957
1958            $objWriter->endElement();
1959
1960            // c:spPr
1961            $objWriter->startElement('c:spPr');
1962            // Write fill
1963            $this->writeFill($objWriter, $series->getFill());
1964            // Write outline
1965            $this->writeOutline($objWriter, $series->getOutline());
1966            // ## c:spPr
1967            $objWriter->endElement();
1968
1969            // Write X axis data
1970            $axisXData = array_keys($series->getValues());
1971
1972            // c:cat
1973            $objWriter->startElement('c:cat');
1974            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
1975            $objWriter->endElement();
1976
1977            // Write Y axis data
1978            $axisYData = array_values($series->getValues());
1979
1980            // c:val
1981            $objWriter->startElement('c:val');
1982            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
1983            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
1984            $objWriter->endElement();
1985
1986            // c:smooth
1987            $objWriter->startElement('c:smooth');
1988            $objWriter->writeAttribute('val', '0');
1989            $objWriter->endElement();
1990
1991            $objWriter->endElement();
1992
1993            ++$seriesIndex;
1994        }
1995
1996        // c:axId
1997        $objWriter->startElement('c:axId');
1998        $objWriter->writeAttribute('val', '52743552');
1999        $objWriter->endElement();
2000
2001        // c:axId
2002        $objWriter->startElement('c:axId');
2003        $objWriter->writeAttribute('val', '52749440');
2004        $objWriter->endElement();
2005
2006        $objWriter->endElement();
2007    }
2008
2009    /**
2010     * Write Type Scatter.
2011     */
2012    protected function writeTypeScatter(XMLWriter $objWriter, Scatter $subject, bool $includeSheet = false): void
2013    {
2014        // c:scatterChart
2015        $objWriter->startElement('c:scatterChart');
2016
2017        // c:scatterStyle
2018        $objWriter->startElement('c:scatterStyle');
2019        $objWriter->writeAttribute('val', 'lineMarker');
2020        $objWriter->endElement();
2021
2022        // c:varyColors
2023        $objWriter->startElement('c:varyColors');
2024        $objWriter->writeAttribute('val', '0');
2025        $objWriter->endElement();
2026
2027        // Write series
2028        $seriesIndex = 0;
2029        foreach ($subject->getSeries() as $series) {
2030            // c:ser
2031            $objWriter->startElement('c:ser');
2032
2033            // c:idx
2034            $objWriter->startElement('c:idx');
2035            $objWriter->writeAttribute('val', $seriesIndex);
2036            $objWriter->endElement();
2037
2038            // c:order
2039            $objWriter->startElement('c:order');
2040            $objWriter->writeAttribute('val', $seriesIndex);
2041            $objWriter->endElement();
2042
2043            // c:tx
2044            $objWriter->startElement('c:tx');
2045            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex(1 + $seriesIndex) . '$1' : '');
2046            $this->writeSingleValueOrReference($objWriter, $includeSheet, $series->getTitle(), $coords);
2047            $objWriter->endElement();
2048
2049            // c:spPr
2050            $objWriter->startElement('c:spPr');
2051            // Write fill
2052            $this->writeFill($objWriter, $series->getFill());
2053            // Write outline
2054            $this->writeOutline($objWriter, $series->getOutline());
2055            // ## c:spPr
2056            $objWriter->endElement();
2057
2058            // Marker
2059            $this->writeSeriesMarker($objWriter, $series->getMarker());
2060
2061            // c:dLbls
2062            $objWriter->startElement('c:dLbls');
2063
2064            // c:txPr
2065            $objWriter->startElement('c:txPr');
2066
2067            // a:bodyPr
2068            $objWriter->writeElement('a:bodyPr', null);
2069
2070            // a:lstStyle
2071            $objWriter->writeElement('a:lstStyle', null);
2072
2073            // a:p
2074            $objWriter->startElement('a:p');
2075
2076            // a:pPr
2077            $objWriter->startElement('a:pPr');
2078
2079            // a:defRPr
2080            $objWriter->startElement('a:defRPr');
2081
2082            $objWriter->writeAttribute('b', ($series->getFont()->isBold() ? 'true' : 'false'));
2083            $objWriter->writeAttribute('i', ($series->getFont()->isItalic() ? 'true' : 'false'));
2084            $objWriter->writeAttribute('strike', ($series->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
2085            $objWriter->writeAttribute('sz', ($series->getFont()->getSize() * 100));
2086            $objWriter->writeAttribute('u', $series->getFont()->getUnderline());
2087            $objWriter->writeAttributeIf($series->getFont()->isSuperScript(), 'baseline', '300000');
2088            $objWriter->writeAttributeIf($series->getFont()->isSubScript(), 'baseline', '-250000');
2089
2090            // Font - a:solidFill
2091            $objWriter->startElement('a:solidFill');
2092
2093            $this->writeColor($objWriter, $series->getFont()->getColor());
2094
2095            $objWriter->endElement();
2096
2097            // Font - a:latin
2098            $objWriter->startElement('a:latin');
2099            $objWriter->writeAttribute('typeface', $series->getFont()->getName());
2100            $objWriter->endElement();
2101
2102            $objWriter->endElement();
2103
2104            $objWriter->endElement();
2105
2106            // a:endParaRPr
2107            $objWriter->startElement('a:endParaRPr');
2108            $objWriter->writeAttribute('lang', 'en-US');
2109            $objWriter->writeAttribute('dirty', '0');
2110            $objWriter->endElement();
2111
2112            $objWriter->endElement();
2113
2114            $objWriter->endElement();
2115
2116            // c:showLegendKey
2117            $this->writeElementWithValAttribute($objWriter, 'c:showLegendKey', $series->hasShowLegendKey() ? '1' : '0');
2118
2119            // c:showVal
2120            $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
2121
2122            // c:showCatName
2123            $this->writeElementWithValAttribute($objWriter, 'c:showCatName', $series->hasShowCategoryName() ? '1' : '0');
2124
2125            // c:showSerName
2126            $this->writeElementWithValAttribute($objWriter, 'c:showSerName', $series->hasShowSeriesName() ? '1' : '0');
2127
2128            // c:showPercent
2129            $this->writeElementWithValAttribute($objWriter, 'c:showPercent', $series->hasShowPercentage() ? '1' : '0');
2130
2131            // c:separator
2132            $separator = $series->getSeparator();
2133            if (!empty($separator) && PHP_EOL != $separator) {
2134                // c:dLbls\c:separator
2135                $objWriter->writeElement('c:separator', $separator);
2136            }
2137
2138            // c:showLeaderLines
2139            $this->writeElementWithValAttribute($objWriter, 'c:showLeaderLines', $series->hasShowLeaderLines() ? '1' : '0');
2140
2141            $objWriter->endElement();
2142
2143            // Write X axis data
2144            $axisXData = array_keys($series->getValues());
2145
2146            // c:xVal
2147            $objWriter->startElement('c:xVal');
2148            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisXData, 'Sheet1!$A$2:$A$' . (1 + count($axisXData)));
2149            $objWriter->endElement();
2150
2151            // Write Y axis data
2152            $axisYData = array_values($series->getValues());
2153
2154            // c:yVal
2155            $objWriter->startElement('c:yVal');
2156            $coords = ($includeSheet ? 'Sheet1!$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$2:$' . Coordinate::stringFromColumnIndex($seriesIndex + 1) . '$' . (1 + count($axisYData)) : '');
2157            $this->writeMultipleValuesOrReference($objWriter, $includeSheet, $axisYData, $coords);
2158            $objWriter->endElement();
2159
2160            // c:smooth
2161            $objWriter->startElement('c:smooth');
2162            $objWriter->writeAttribute('val', $subject->isSmooth() ? '1' : '0');
2163            $objWriter->endElement();
2164
2165            $objWriter->endElement();
2166
2167            ++$seriesIndex;
2168        }
2169
2170        // c:axId
2171        $objWriter->startElement('c:axId');
2172        $objWriter->writeAttribute('val', '52743552');
2173        $objWriter->endElement();
2174
2175        // c:axId
2176        $objWriter->startElement('c:axId');
2177        $objWriter->writeAttribute('val', '52749440');
2178        $objWriter->endElement();
2179
2180        $objWriter->endElement();
2181    }
2182
2183    /**
2184     * Write chart relationships to XML format.
2185     *
2186     * @return string XML Output
2187     */
2188    protected function writeChartRelationships(Chart $pChart): string
2189    {
2190        // Create XML writer
2191        $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
2192
2193        // XML header
2194        $objWriter->startDocument('1.0', 'UTF-8', 'yes');
2195
2196        // Relationships
2197        $objWriter->startElement('Relationships');
2198        $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
2199
2200        // Write spreadsheet relationship?
2201        if ($pChart->hasIncludedSpreadsheet()) {
2202            $this->writeRelationship($objWriter, 1, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/package', '../embeddings/' . $pChart->getIndexedFilename() . '.xlsx');
2203        }
2204
2205        $objWriter->endElement();
2206
2207        // Return
2208        return $objWriter->getData();
2209    }
2210
2211    protected function writeSeriesMarker(XMLWriter $objWriter, Chart\Marker $marker): void
2212    {
2213        // c:marker
2214        $objWriter->startElement('c:marker');
2215        // c:marker > c:symbol
2216        $objWriter->startElement('c:symbol');
2217        $objWriter->writeAttribute('val', $marker->getSymbol());
2218        $objWriter->endElement();
2219
2220        // Size if different of none
2221        if (Chart\Marker::SYMBOL_NONE != $marker->getSymbol()) {
2222            $markerSize = (int) $marker->getSize();
2223            if ($markerSize < 2) {
2224                $markerSize = 2;
2225            }
2226            if ($markerSize > 72) {
2227                $markerSize = 72;
2228            }
2229
2230            /*
2231             * c:marker > c:size
2232             * Size in points
2233             * @link : https://msdn.microsoft.com/en-us/library/hh658135(v=office.12).aspx
2234             */
2235            $objWriter->startElement('c:size');
2236            $objWriter->writeAttribute('val', $markerSize);
2237            $objWriter->endElement();
2238        }
2239
2240        // // c:marker > c:spPr
2241        $objWriter->startElement('c:spPr');
2242        $this->writeFill($objWriter, $marker->getFill());
2243        $this->writeBorder($objWriter, $marker->getBorder(), '', true);
2244        $objWriter->endElement();
2245
2246        // > c:marker
2247        $objWriter->endElement();
2248    }
2249
2250    protected function writeAxis(XMLWriter $objWriter, Chart\Axis $oAxis, string $typeAxis, Chart\Type\AbstractType $typeChart): void
2251    {
2252        if (Chart\Axis::AXIS_X != $typeAxis && Chart\Axis::AXIS_Y != $typeAxis) {
2253            return;
2254        }
2255
2256        $crossesAt = $oAxis->getCrossesAt();
2257        $orientation = $oAxis->isReversedOrder() ? 'maxMin' : 'minMax';
2258
2259        if (Chart\Axis::AXIS_X == $typeAxis) {
2260            $mainElement = 'c:catAx';
2261            $axIdVal = '52743552';
2262            $axPosVal = $crossesAt === 'max' ? 't' : 'b';
2263            $crossAxVal = '52749440';
2264        } else {
2265            $mainElement = 'c:valAx';
2266            $axIdVal = '52749440';
2267            $axPosVal = $crossesAt === 'max' ? 'r' : 'l';
2268            $crossAxVal = '52743552';
2269        }
2270
2271        // $mainElement
2272        $objWriter->startElement($mainElement);
2273
2274        // $mainElement > c:axId
2275        $objWriter->startElement('c:axId');
2276        $objWriter->writeAttribute('val', $axIdVal);
2277        $objWriter->endElement();
2278
2279        // $mainElement > c:scaling
2280        $objWriter->startElement('c:scaling');
2281
2282        // $mainElement > c:scaling > c:orientation
2283        $objWriter->startElement('c:orientation');
2284        $objWriter->writeAttribute('val', $orientation);
2285        $objWriter->endElement();
2286
2287        if (null !== $oAxis->getMaxBounds()) {
2288            $objWriter->startElement('c:max');
2289            $objWriter->writeAttribute('val', $oAxis->getMaxBounds());
2290            $objWriter->endElement();
2291        }
2292
2293        if (null !== $oAxis->getMinBounds()) {
2294            $objWriter->startElement('c:min');
2295            $objWriter->writeAttribute('val', $oAxis->getMinBounds());
2296            $objWriter->endElement();
2297        }
2298
2299        // $mainElement > ##c:scaling
2300        $objWriter->endElement();
2301
2302        // $mainElement > c:delete
2303        $objWriter->startElement('c:delete');
2304        $objWriter->writeAttribute('val', $oAxis->isVisible() ? '0' : '1');
2305        $objWriter->endElement();
2306
2307        // $mainElement > c:axPos
2308        $objWriter->startElement('c:axPos');
2309        $objWriter->writeAttribute('val', $axPosVal);
2310        $objWriter->endElement();
2311
2312        $oMajorGridlines = $oAxis->getMajorGridlines();
2313        if ($oMajorGridlines instanceof Gridlines) {
2314            $objWriter->startElement('c:majorGridlines');
2315
2316            $this->writeAxisGridlines($objWriter, $oMajorGridlines);
2317
2318            $objWriter->endElement();
2319        }
2320
2321        $oMinorGridlines = $oAxis->getMinorGridlines();
2322        if ($oMinorGridlines instanceof Gridlines) {
2323            $objWriter->startElement('c:minorGridlines');
2324
2325            $this->writeAxisGridlines($objWriter, $oMinorGridlines);
2326
2327            $objWriter->endElement();
2328        }
2329
2330        if ('' != $oAxis->getTitle()) {
2331            // c:title
2332            $objWriter->startElement('c:title');
2333
2334            // c:tx
2335            $objWriter->startElement('c:tx');
2336
2337            // c:rich
2338            $objWriter->startElement('c:rich');
2339
2340            // a:bodyPr
2341            $objWriter->startElement('a:bodyPr');
2342            $objWriter->writeAttributeIf($oAxis->getTitleRotation() != 0, 'rot', CommonDrawing::degreesToAngle((int) $oAxis->getTitleRotation()));
2343            $objWriter->endElement();
2344
2345            // a:lstStyle
2346            $objWriter->writeElement('a:lstStyle', null);
2347
2348            // a:p
2349            $objWriter->startElement('a:p');
2350
2351            // a:pPr
2352            $objWriter->startElement('a:pPr');
2353
2354            // a:defRPr
2355            $objWriter->startElement('a:defRPr');
2356
2357            $objWriter->writeAttribute('b', ($oAxis->getFont()->isBold() ? 'true' : 'false'));
2358            $objWriter->writeAttribute('i', ($oAxis->getFont()->isItalic() ? 'true' : 'false'));
2359            $objWriter->writeAttribute('strike', ($oAxis->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));
2360            $objWriter->writeAttribute('sz', ($oAxis->getFont()->getSize() * 100));
2361            $objWriter->writeAttribute('u', $oAxis->getFont()->getUnderline());
2362            $objWriter->writeAttributeIf($oAxis->getFont()->isSuperScript(), 'baseline', '300000');
2363            $objWriter->writeAttributeIf($oAxis->getFont()->isSubScript(), 'baseline', '-250000');
2364
2365            // Font - a:solidFill
2366            $objWriter->startElement('a:solidFill');
2367            $this->writeColor($objWriter, $oAxis->getFont()->getColor());
2368            $objWriter->endElement();
2369
2370            // Font - a:latin
2371            $objWriter->startElement('a:latin');
2372            $objWriter->writeAttribute('typeface', $oAxis->getFont()->getName());
2373            $objWriter->endElement();
2374
2375            $objWriter->endElement();
2376
2377            // ## a:pPr
2378            $objWriter->endElement();
2379
2380            // a:r
2381            $objWriter->startElement('a:r');
2382
2383            // a:rPr
2384            $objWriter->startElement('a:rPr');
2385            $objWriter->writeAttribute('lang', 'en-US');
2386            $objWriter->writeAttribute('dirty', '0');
2387            $objWriter->endElement();
2388
2389            // a:t
2390            $objWriter->writeElement('a:t', $oAxis->getTitle());
2391
2392            // ## a:r
2393            $objWriter->endElement();
2394
2395            // a:endParaRPr
2396            $objWriter->startElement('a:endParaRPr');
2397            $objWriter->writeAttribute('lang', 'en-US');
2398            $objWriter->writeAttribute('dirty', '0');
2399            $objWriter->endElement();
2400
2401            // ## a:p
2402            $objWriter->endElement();
2403
2404            // ## c:rich
2405            $objWriter->endElement();
2406
2407            // ## c:tx
2408            $objWriter->endElement();
2409
2410            // ## c:title
2411            $objWriter->endElement();
2412        }
2413
2414        // c:numFmt
2415        $objWriter->startElement('c:numFmt');
2416        $objWriter->writeAttribute('formatCode', $oAxis->getFormatCode());
2417        $objWriter->writeAttribute('sourceLinked', '1');
2418        $objWriter->endElement();
2419
2420        // c:majorTickMark
2421        $objWriter->startElement('c:majorTickMark');
2422        $objWriter->writeAttribute('val', $oAxis->getMajorTickMark());
2423        $objWriter->endElement();
2424
2425        // c:minorTickMark
2426        $objWriter->startElement('c:minorTickMark');
2427        $objWriter->writeAttribute('val', $oAxis->getMinorTickMark());
2428        $objWriter->endElement();
2429
2430        // c:tickLblPos
2431        $objWriter->startElement('c:tickLblPos');
2432        $objWriter->writeAttribute('val', $oAxis->getTickLabelPosition());
2433        $objWriter->endElement();
2434
2435        // c:spPr
2436        $objWriter->startElement('c:spPr');
2437        // Outline
2438        $this->writeOutline($objWriter, $oAxis->getOutline());
2439        // ##c:spPr
2440        $objWriter->endElement();
2441
2442        // c:crossAx
2443        $objWriter->startElement('c:crossAx');
2444        $objWriter->writeAttribute('val', $crossAxVal);
2445        $objWriter->endElement();
2446
2447        // c:crosses "autoZero" | "min" | "max" | custom string value
2448        if (in_array($crossesAt, ['autoZero', 'min', 'max'])) {
2449            $objWriter->startElement('c:crosses');
2450            $objWriter->writeAttribute('val', $crossesAt);
2451            $objWriter->endElement();
2452        } else {
2453            $objWriter->startElement('c:crossesAt');
2454            $objWriter->writeAttribute('val', $crossesAt);
2455            $objWriter->endElement();
2456        }
2457
2458        if (Chart\Axis::AXIS_X == $typeAxis) {
2459            // c:lblAlgn
2460            $objWriter->startElement('c:lblAlgn');
2461            $objWriter->writeAttribute('val', 'ctr');
2462            $objWriter->endElement();
2463
2464            // c:lblOffset
2465            $objWriter->startElement('c:lblOffset');
2466            $objWriter->writeAttribute('val', '100');
2467            $objWriter->endElement();
2468
2469            // c:majorUnit
2470            if ($oAxis->getMajorUnit() != null) {
2471                $objWriter->startElement('c:tickLblSkip');
2472                $objWriter->writeAttribute('val', $oAxis->getMajorUnit());
2473                $objWriter->endElement();
2474            }
2475        }
2476
2477        if (Chart\Axis::AXIS_Y == $typeAxis) {
2478            // c:crossBetween
2479            $objWriter->startElement('c:crossBetween');
2480            // midCat : Position Axis On Tick Marks
2481            // between : Between Tick Marks
2482            if ($typeChart instanceof Area) {
2483                $objWriter->writeAttribute('val', 'midCat');
2484            } else {
2485                $objWriter->writeAttribute('val', 'between');
2486            }
2487            $objWriter->endElement();
2488
2489            // c:majorUnit
2490            if (null != $oAxis->getMajorUnit()) {
2491                $objWriter->startElement('c:majorUnit');
2492                $objWriter->writeAttribute('val', $oAxis->getMajorUnit());
2493                $objWriter->endElement();
2494            }
2495
2496            // c:minorUnit
2497            if (null != $oAxis->getMinorUnit()) {
2498                $objWriter->startElement('c:minorUnit');
2499                $objWriter->writeAttribute('val', $oAxis->getMinorUnit());
2500                $objWriter->endElement();
2501            }
2502        }
2503
2504        $objWriter->endElement();
2505    }
2506
2507    protected function writeAxisGridlines(XMLWriter $objWriter, Gridlines $oGridlines): void
2508    {
2509        // c:spPr
2510        $objWriter->startElement('c:spPr');
2511
2512        // Outline
2513        $this->writeOutline($objWriter, $oGridlines->getOutline());
2514
2515        // ##c:spPr
2516        $objWriter->endElement();
2517    }
2518}